While the plan ends with his defeat, this episode shows that Plankton can succeed with his evil plan. It was a nice sequence for anyone who wanted to see what would happen if Plankton actually won ...

Sheldon Plankton is the tiny, one-eyed villain from SpongeBob SquarePants with evil plans for world domination, most of which rely on stealing the Krabby Patty secret formula from Mr Krabs.